You can get forged pistons...12:1 compression from BAT.
Our W/P has a metal impellar, if not ours would be going out at 60k and I would be in big trouble.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ